Clinical Resources

Nurse Residency

Evidence Based Practice

What is EBP?

There are a lot of definitions out there, but essentially it's the intersection between research evidence, clinical expertise, and patient preferences. Some more examples:

  • Evidence-based nursing is an approach to health care practice that enables nurses to provide the highest quality care based on the best evidence available to meet he needs of their patients. - Melnyk & Fineout-Overholt, 2005
  • The integration of the best research evidence with clinical expertise and patient values. - Sackett et al., 2000
  • Synthesizing scientific evidence to improve quality and effectiveness in health care.  AHQR, 2012

Why do we need it?

We practice EB nursing because it:
  • Providing up-to-date care
  • Helps us digest the volume of nursing and medical research in the literature
  • Encourages patients and nurses to work together to make informed decisions
  • Reduces cost for patients and hospitals
  • Fosters professional responsibility

Stages and Steps

Looking at EBP from a broad, philosophical perspective, we can see three main stages:

•Knowledge creation
•Diffusion and dissemination
•End user adoption, implementation and institutionalization
In reality, this entire process can take a long time. A step by step breakdown looks more like this: 
1.Spirit of inquiry and curiosity and supporting culture
2.Craft the clinical question using PICOT template
3.Search for the best evidence
4.Evaluate the evidence
5.Integrate the evidence with clinical expertise and patient preferences and values
6.Evaluate the outcomes of the clinical practice and decisions based on the evidence
7.Disseminate the EBP results


The hardest part of EBP is often formulating a question -- you have to gather the pieces of puzzle before you can start putting it together. 

Enter the PICO(T) model:

P - Population 

I - Intervention

C - Comparison or Control

O - Outcome (desired or of interest)

T - Time


This mnemonic device helps us frame out question before we start searching for evidence. You may not have all the pieces depending on your type of question, but it's a great jumping off point.

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